2005 Audi A8 vs. 2012 GMC Sierra
To start off, 2012 GMC Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 5,999 cc (8 cylinders), 2012 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (335 HP @ 4000 RPM) has 23 more horse power than 2012 GMC Sierra. (312 HP @ 4400 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2012 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 51 kg more than 2012 GMC Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2012 GMC Sierra (506 Nm) has 76 more torque (in Nm) than 2005 Audi A8. (430 Nm). This means 2012 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A8.
Compare all specifications:
| 2005 Audi A8 | 2012 GMC Sierra | |
| Make | Audi | GMC |
| Model | A8 | Sierra |
| Year Released | 2005 | 2012 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4178 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 335 HP | 312 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 430 Nm | 506 Nm |
| Engine Compression Ratio | 11.0:1 | 10.8:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1945 kg | 1894 kg |
| Vehicle Length | 5060 mm | 6580 mm |
| Vehicle Width | 1900 mm | 2440 mm |
| Vehicle Height | 1450 mm | 1940 mm |
| Wheelbase Size | 2950 mm | 4250 mm |
| Fuel Consumption Overall | 11.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 90 L | 129 L |
